<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>baidu</title>
</head>
<body>
<center>
<input type="text" id="search">
<div id="show"></div>
</center>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
<script src="js/my.js"></script>

</body>
</html>